{"id":9835,"date":"2024-04-02T13:53:51","date_gmt":"2024-04-02T05:53:51","guid":{"rendered":"https:\/\/shchimay.com\/?p=9835"},"modified":"2024-04-03T08:58:16","modified_gmt":"2024-04-03T00:58:16","slug":"is-ph-meter-expensive","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/is-ph-meter-expensive\/","title":{"rendered":"m\u00e1y \u0111o ph c\u00f3 \u0111\u1eaft kh\u00f4ng"},"content":{"rendered":"<p>&#8220;\u0110o pH ch\u00ednh x\u00e1c m\u00e0 kh\u00f4ng b\u1ecb v\u1ee1.&#8221;<\/p>\n<h1 id=\"exploring-the-cost-of-ph-meters-are-they-expensive-wpaicgheading\">T\u00ecm hi\u1ec3u chi ph\u00ed c\u1ee7a m\u00e1y \u0111o pH: Ch\u00fang c\u00f3 \u0111\u1eaft kh\u00f4ng?<\/h1>\n<p>\nKhi n\u00f3i \u0111\u1ebfn vi\u1ec7c \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch, m\u00e1y \u0111o pH l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu cho nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 \u1ee9ng d\u1ee5ng. T\u1eeb ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u1ebfn n\u00f4ng nghi\u1ec7p \u0111\u1ebfn nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc, m\u00e1y \u0111o pH \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 an to\u00e0n c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m v\u00e0 quy tr\u00ecnh kh\u00e1c nhau. Tuy nhi\u00ean, m\u1ed9t c\u00e2u h\u1ecfi ph\u1ed5 bi\u1ebfn th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t ra l\u00e0 li\u1ec7u m\u00e1y \u0111o pH c\u00f3 \u0111\u1eaft kh\u00f4ng.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"Conductivity resistivity controller CCT 5320E\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/rV-JowRFEeE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>\nGi\u00e1 c\u1ee7a m\u00e1y \u0111o pH c\u00f3 th\u1ec3 kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1, bao g\u1ed3m th\u01b0\u01a1ng hi\u1ec7u, ki\u1ec3u m\u00e1y, t\u00ednh n\u0103ng v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a thi\u1ebft b\u1ecb. N\u00f3i chung, m\u00e1y \u0111o pH c\u1ea7m tay c\u01a1 b\u1ea3n c\u00f3 th\u1ec3 dao \u0111\u1ed9ng t\u1eeb $20 \u0111\u1ebfn $100, trong khi c\u00e1c m\u1eabu m\u00e1y \u0111\u1ec3 b\u00e0n cao c\u1ea5p h\u01a1n c\u00f3 th\u1ec3 c\u00f3 gi\u00e1 t\u1eeb $100 \u0111\u1ebfn $1000 tr\u1edf l\u00ean. Gi\u00e1 c\u1ee7a m\u00e1y \u0111o pH th\u01b0\u1eddng ph\u1ea3n \u00e1nh ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3, v\u1edbi c\u00e1c m\u1eabu c\u00f3 gi\u00e1 cao h\u01a1n th\u01b0\u1eddng mang l\u1ea1i \u0111\u1ed9 ch\u00ednh x\u00e1c, \u0111\u1ed9 b\u1ec1n cao h\u01a1n v\u00e0 c\u00e1c t\u00ednh n\u0103ng b\u1ed5 sung nh\u01b0 t\u00f9y ch\u1ecdn hi\u1ec7u chu\u1ea9n v\u00e0 ghi d\u1eef li\u1ec7u.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"online pH Transmitting controller for water treatment\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/K1X_JvYPARI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p><\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"Water Purifier Connector plastic\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/BSewaEiSDwo?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>M\u1eb7c d\u00f9 chi ph\u00ed ban \u0111\u1ea7u c\u1ee7a m\u00e1y \u0111o pH c\u00f3 v\u1ebb cao nh\u01b0ng \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i xem x\u00e9t l\u1ee3i \u00edch l\u00e2u d\u00e0i v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed khi s\u1eed d\u1ee5ng m\u1ed9t thi\u1ebft b\u1ecb \u0111\u00e1ng tin c\u1eady v\u00e0 ch\u00ednh x\u00e1c. B\u1eb1ng c\u00e1ch \u0111\u1ea7u t\u01b0 v\u00e0o m\u00e1y \u0111o pH ch\u1ea5t l\u01b0\u1ee3ng, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u00e9p \u0111o nh\u1ea5t qu\u00e1n v\u00e0 ch\u00ednh x\u00e1c, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 gi\u00fap c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m, t\u0103ng hi\u1ec7u qu\u1ea3 v\u00e0 gi\u1ea3m ch\u1ea5t th\u1ea3i. V\u1ec1 l\u00e2u d\u00e0i, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 mang l\u1ea1i l\u1ee3i t\u1ee9c \u0111\u1ea7u t\u01b0 cao h\u01a1n cho c\u00e1c doanh nghi\u1ec7p v\u00e0 t\u1ed5 ch\u1ee9c s\u1eed d\u1ee5ng m\u00e1y \u0111o pH cho ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00ecnh.<\/p>\n<p>\n<img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/ROC-8221-Factory-supply-Single-Stage-Double-Channels-RO-Controller1.png\" alt=\"alt-175\" class=\"wp-image-175\" id=\"i175\" \/><br \/>\nNgo\u00e0i chi ph\u00ed c\u1ee7a m\u00e1y \u0111o pH, ng\u01b0\u1eddi d\u00f9ng c\u0169ng n\u00ean c\u00e2n nh\u1eafc c\u00e1c chi ph\u00ed li\u00ean t\u1ee5c li\u00ean quan \u0111\u1ebfn vi\u1ec7c b\u1ea3o tr\u00ec v\u00e0 hi\u1ec7u ch\u1ec9nh thi\u1ebft b\u1ecb. Hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u00e9p \u0111o pH v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p hi\u1ec7u chu\u1ea9n c\u00f3 th\u1ec3 l\u00e0m t\u0103ng th\u00eam chi ph\u00ed chung c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y \u0111o pH. Tuy nhi\u00ean, \u0111\u1ea7u t\u01b0 v\u00e0o c\u00e1c gi\u1ea3i ph\u00e1p hi\u1ec7u chu\u1ea9n v\u00e0 tu\u00e2n theo l\u1ecbch b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean c\u00f3 th\u1ec3 gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a m\u00e1y \u0111o pH v\u00e0 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady theo th\u1eddi gian.<\/p>\n<p>\u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi c\u00f3 ng\u00e2n s\u00e1ch eo h\u1eb9p, c\u0169ng c\u00f3 nhi\u1ec1u l\u1ef1a ch\u1ecdn h\u1ee3p l\u00fd h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 que th\u1eed pH ho\u1eb7c ch\u1ea5t ch\u1ec9 th\u1ecb pH d\u1ea1ng l\u1ecfng. M\u1eb7c d\u00f9 c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf n\u00e0y c\u00f3 th\u1ec3 k\u00e9m ch\u00ednh x\u00e1c v\u00e0 ch\u00ednh x\u00e1c h\u01a1n m\u00e1y \u0111o pH nh\u01b0ng ch\u00fang v\u1eabn c\u00f3 th\u1ec3 \u0111\u01b0a ra \u01b0\u1edbc t\u00ednh s\u01a1 b\u1ed9 v\u1ec1 m\u1ee9c \u0111\u1ed9 pH c\u1ee7a dung d\u1ecbch v\u1edbi chi ph\u00ed th\u1ea5p h\u01a1n. Tuy nhi\u00ean, \u0111i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi \u1ee9ng d\u1ee5ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 nh\u1ea5t qu\u00e1n.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>M\u00f4 h\u00ecnh<\/td>\n<td>M\u00e1y \u0111o pH\/ORP-810 pH\/ORP<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi<\/td>\n<td>0-14 pH; -2000 &#8211; +2000mV<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>\u00b10.1pH; \u00b12mV<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9. Comp.<\/td>\n<td>B\u00f9 nhi\u1ec7t \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td>Ho\u1ea1t \u0111\u1ed9ng. Nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>B\u00ecnh th\u01b0\u1eddng 0\uff5e50\u2103; Nhi\u1ec7t \u0111\u1ed9 cao 0\uff5e100\u2103<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea3m bi\u1ebfn<\/td>\n<td>c\u1ea3m bi\u1ebfn pH \u0111\u00f4i\/ba; C\u1ea3m bi\u1ebfn ORP<\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec3n th\u1ecb<\/td>\n<td>M\u00e0n h\u00ecnh LCD<\/td>\n<\/tr>\n<tr>\n<td>Giao ti\u1ebfp<\/td>\n<td>\u0110\u1ea7u ra 4-20mA\/RS485<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra<\/td>\n<td>\u0110i\u1ec1u khi\u1ec3n r\u01a1le k\u00e9p gi\u1edbi h\u1ea1n Cao\/Th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>S\u1ee9c m\u1ea1nh<\/td>\n<td>AC 220V\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz ho\u1eb7c AC 110V\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz ho\u1eb7c DC24V\/0,5A<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng:0\uff5e50\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\u226485 ph\u1ea7n tr\u0103m<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td>96\u00d796\u00d7100mm(H\u00d7W\u00d7L)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td>92\u00d792mm(H\u00d7W)<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ebf \u0110\u1ed9 C\u00e0i \u0110\u1eb7t<\/td>\n<td>\u0110\u00e3 nh\u00fang<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>Nh\u00ecn chung, gi\u00e1 th\u00e0nh c\u1ee7a m\u00e1y \u0111o pH c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y theo nhu c\u1ea7u v\u00e0 y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a ng\u01b0\u1eddi s\u1eed d\u1ee5ng. M\u1eb7c d\u00f9 m\u1ed9t s\u1ed1 ng\u01b0\u1eddi c\u00f3 th\u1ec3 th\u1ea5y m\u00e1y \u0111o pH \u0111\u1eaft ti\u1ec1n nh\u01b0ng l\u1ee3i \u00edch v\u00e0 l\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u1ed9t thi\u1ebft b\u1ecb \u0111\u00e1ng tin c\u1eady v\u00e0 ch\u00ednh x\u00e1c th\u01b0\u1eddng l\u1edbn h\u01a1n s\u1ed1 ti\u1ec1n \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u. B\u1eb1ng c\u00e1ch xem x\u00e9t c\u1ea9n th\u1eadn c\u00e1c t\u00ednh n\u0103ng, hi\u1ec7u su\u1ea5t v\u00e0 chi ph\u00ed d\u00e0i h\u1ea1n li\u00ean quan \u0111\u1ebfn c\u00e1c m\u00e1y \u0111o pH kh\u00e1c nhau, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi ng\u00e2n s\u00e1ch v\u00e0 y\u00eau c\u1ea7u \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>S\u1ed1 m\u1eabu<\/td>\n<td colspan=\"2\">B\u1ed9 \u0111i\u1ec1u khi\u1ec3n tr\u1ef1c tuy\u1ebfn \u0111\u1ed9 d\u1eabn \/ n\u1ed3ng \u0111\u1ed9 c\u1ea3m \u1ee9ng CIT-8800<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"6\">Ph\u1ea1m vi \u0111o<\/td>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td>\n<td>0,00\u03bcS\/cm ~ 2000mS\/cm<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">T\u1eadp trung<\/td>\n<td>1.NaOH\uff0c\uff080-15\uff09 ph\u1ea7n tr\u0103m ho\u1eb7c\uff0825-50\uff09 ph\u1ea7n tr\u0103m \uff1b<\/td>\n<\/tr>\n<tr>\n<td>2.HNO3\uff08l\u01b0u \u00fd kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a c\u1ea3m bi\u1ebfn\uff09\uff080-25\uff09 ph\u1ea7n tr\u0103m ho\u1eb7c\uff0836-82\uff09 ph\u1ea7n tr\u0103m \uff1b<\/td>\n<\/tr>\n<tr>\n<td>3.\u0110\u01b0\u1eddng cong n\u1ed3ng \u0111\u1ed9 do ng\u01b0\u1eddi d\u00f9ng x\u00e1c \u0111\u1ecbnh.<\/td>\n<\/tr>\n<tr>\n<td>TDS<\/td>\n<td>0,00ppm~1000ppt<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9.<\/td>\n<td>\uff080.0 ~ 120.0\uff09\u2103<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\">\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/td>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td>\n<td>0,01\u03bcS\/cm<\/td>\n<\/tr>\n<tr>\n<td>T\u1eadp trung<\/td>\n<td>0.01%<\/td>\n<\/tr>\n<tr>\n<td>TDS<\/td>\n<td>0,01ppm<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9.<\/td>\n<td>0,1\u2103<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"5\">\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td rowspan=\"3\">\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td>\n<td>0\u03bcS\/cm ~1000\u03bcS\/cm \u00b110\u03bcS\/cm<\/td>\n<\/tr>\n<tr>\n<td>1 mS\/cm~500 mS\/cm \u00b11,0 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n<tr>\n<td>500mS\/cm~2000 mS\/cm \u00b11,0 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n<tr>\n<td>TDS<\/td>\n<td>1,5 c\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9.<\/td>\n<td>\u00b10.5\u2103<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">Nhi\u1ec7t \u0111\u1ed9. b\u1ed3i th\u01b0\u1eddng<\/td>\n<td>ph\u1ea7n t\u1eed<\/td>\n<td>Pt1000<\/td>\n<\/tr>\n<tr>\n<td>ph\u1ea1m vi<\/td>\n<td>\uff080.0~120.0\uff09\u2103 b\u00f9 tuy\u1ebfn t\u00ednh<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\">\uff084~20\uff09mA D\u00f2ng \u0111i\u1ec7n \u0111\u1ea7u ra<\/td>\n<td>k\u00eanh<\/td>\n<td>K\u00eanh \u0111\u00f4i<\/td>\n<\/tr>\n<tr>\n<td>t\u00ednh n\u0103ng<\/td>\n<td>C\u00e1ch ly, c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh, \u0111\u1ea3o ng\u01b0\u1ee3c, \u0111\u1ea7u ra 4-20MA, ch\u1ebf \u0111\u1ed9 thi\u1ebft b\u1ecb\/m\u00e1y ph\u00e1t.<\/td>\n<\/tr>\n<tr>\n<td>\u0110i\u1ec7n tr\u1edf v\u00f2ng l\u1eb7p<\/td>\n<td>400\u03a9\uff08Max\uff09\uff0cDC 24V<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/td>\n<td>\u00b10.1mA<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"5\">Ki\u1ec3m so\u00e1t li\u00ean h\u1ec7<\/td>\n<td>K\u00eanh<\/td>\n<td>Ba k\u00eanh<\/td>\n<\/tr>\n<tr>\n<td>Li\u00ean h\u1ec7<\/td>\n<td>\u0110\u1ea7u ra r\u01a1le quang \u0111i\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td>C\u00f3 th\u1ec3 l\u1eadp tr\u00ecnh<\/td>\n<td>C\u00f3 th\u1ec3 l\u1eadp tr\u00ecnh \uff08 nhi\u1ec7t \u0111\u1ed9 \u3001\u0111\u1ed9 d\u1eabn\/n\u1ed3ng \u0111\u1ed9\/TDS\u3001th\u1eddi gian\uff09\u0111\u1ea7u ra<\/td>\n<\/tr>\n<tr>\n<td>T\u00ednh n\u0103ng<\/td>\n<td>C\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t nhi\u1ec7t \u0111\u1ed9\u3001\u0111\u1ed9 d\u1eabn\/n\u1ed3ng \u0111\u1ed9\/TDS\u3001 \u0111\u1ecbnh th\u1eddi gian l\u1ef1a ch\u1ecdn NO\/NC\/ PID<\/td>\n<\/tr>\n<tr>\n<td>T\u1ea3i \u0111i\u1ec7n tr\u1edf<\/td>\n<td>50mA\uff08Max\uff09\uff0cAC\/DC 30V\uff08Max\uff09<\/td>\n<\/tr>\n<tr>\n<td>Giao ti\u1ebfp d\u1eef li\u1ec7u<\/td>\n<td colspan=\"2\">Giao th\u1ee9c RS485,MODBUS<\/td>\n<\/tr>\n<tr>\n<td>Ngu\u1ed3n \u0111i\u1ec7n<\/td>\n<td colspan=\"2\">DC 24V\u00b14V<\/td>\n<\/tr>\n<tr>\n<td>Ti\u00eau th\u1ee5<\/td>\n<td colspan=\"2\">5.5W<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\n<td colspan=\"2\">Nhi\u1ec7t \u0111\u1ed9\uff1a\uff080~50\uff09\u2103 \u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\uff1a\u226485 ph\u1ea7n tr\u0103m RH(kh\u00f4ng ng\u01b0ng t\u1ee5 )<\/td>\n<\/tr>\n<tr>\n<td>B\u1ed9 nh\u1edb<\/td>\n<td colspan=\"2\">Nhi\u1ec7t \u0111\u1ed9\uff1a(-20~60)\u2103 \u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\uff1a\u226485 ph\u1ea7n tr\u0103m RH(kh\u00f4ng ng\u01b0ng t\u1ee5)<\/td>\n<\/tr>\n<tr>\n<td>M\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7<\/td>\n<td colspan=\"2\">IP65\uff08c\u00f3 n\u1eafp sau\uff09<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc ph\u00e1c th\u1ea3o<\/td>\n<td colspan=\"2\">96mm\u00d796 mm\u00d794mm (H\u00d7W\u00d7D)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td colspan=\"2\">91mm\u00d791mm(H\u00d7W)<\/td>\n<\/tr>\n<tr>\n<td>C\u00e0i \u0111\u1eb7t<\/td>\n<td colspan=\"2\">G\u1eafn b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, l\u1eafp \u0111\u1eb7t nhanh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\nT\u00f3m l\u1ea1i, m\u1eb7c d\u00f9 m\u1ed9t s\u1ed1 ng\u01b0\u1eddi cho r\u1eb1ng m\u00e1y \u0111o pH \u0111\u1eaft ti\u1ec1n nh\u01b0ng gi\u00e1 tr\u1ecb v\u00e0 l\u1ee3i \u00edch m\u00e0 ch\u00fang mang l\u1ea1i v\u1ec1 m\u1eb7t \u0111\u1ed9 ch\u00ednh x\u00e1c, hi\u1ec7u qu\u1ea3 v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 \u0111\u00e1ng gi\u00e1 cho nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 \u1ee9ng d\u1ee5ng. B\u1eb1ng c\u00e1ch c\u00e2n nh\u1eafc chi ph\u00ed v\u00e0 l\u1ee3i \u00edch c\u1ee7a c\u00e1c m\u00e1y \u0111o pH kh\u00e1c nhau v\u00e0 xem x\u00e9t c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 \u0111\u1ed9 ch\u00ednh x\u00e1c, \u0111\u1ed9 b\u1ec1n v\u00e0 y\u00eau c\u1ea7u b\u1ea3o tr\u00ec, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 ch\u1ecdn m\u00e1y \u0111o pH \u0111\u00e1p \u1ee9ng nhu c\u1ea7u v\u00e0 ng\u00e2n s\u00e1ch c\u1ee7a m\u00ecnh trong khi v\u1eabn \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u00e9p \u0111o nh\u1ea5t qu\u00e1n v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/ROS-360-7\u5bf8\u89e6\u6478\u5c4fRO\u7a0b\u63a7\u5668\u53cc\u8def\u7535\u5bfc\u73874.png\" alt=\"alt-1712\" class=\"wp-image-1712\" id=\"i1712\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;\u0110o pH ch\u00ednh x\u00e1c m\u00e0 kh\u00f4ng b\u1ecb v\u1ee1.&#8221; T\u00ecm hi\u1ec3u chi ph\u00ed c\u1ee7a m\u00e1y \u0111o pH: Ch\u00fang c\u00f3 \u0111\u1eaft kh\u00f4ng? Khi n\u00f3i \u0111\u1ebfn vi\u1ec7c \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch, m\u00e1y \u0111o pH l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu cho nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 \u1ee9ng d\u1ee5ng. T\u1eeb ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u1ebfn&#8230;<\/p>\n","protected":false},"author":1,"featured_media":3135,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"categories":[200],"tags":[],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"vi","enabled_languages":["en","zh","es","de","fr","ru","pt","ar","ja","ko","it","id","hi","th","vi","tr"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"zh":{"title":false,"content":false,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"de":{"title":false,"content":false,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"pt":{"title":false,"content":false,"excerpt":false},"ar":{"title":false,"content":false,"excerpt":false},"ja":{"title":false,"content":false,"excerpt":false},"ko":{"title":true,"content":true,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"id":{"title":false,"content":false,"excerpt":false},"hi":{"title":false,"content":false,"excerpt":false},"th":{"title":true,"content":true,"excerpt":false},"vi":{"title":true,"content":true,"excerpt":false},"tr":{"title":false,"content":false,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/9835"}],"collection":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/comments?post=9835"}],"version-history":[{"count":9,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/9835\/revisions"}],"predecessor-version":[{"id":9845,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/9835\/revisions\/9845"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media\/3135"}],"wp:attachment":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media?parent=9835"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/categories?post=9835"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/tags?post=9835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}